Some Remarks on the Safety of Methane Penthrite Detonating Cords against the Inflammability of a Methane-Air Mixture

• Autorzy: Zawadzka-Małota Iwona , Sałaciński Tomasz

Identyfikatory

DOI

10.22211/cejem/151774

• Języki publikacji: EN

Abstrakty

EN

After analysing literature data some topics related to the properties and testing methods of detonating cords (DCs) are presented. The main attention is paid to the 2,2-bis[(nitrooxy)methyl]propane-1,3-diyl dinitrate (penthrite, PETN)-based DCs. In a case study of methane PETN DC, it is shown that the problem of DCs being able to fulfil safety precautions as permitted explosives is very complex, i.e. to determine their ability to ignite a methane-air atmosphere in coal mines. The tests have shown that the relationships between safety and the performance properties of methane PETN DC are not obvious. For example, an increase in the outer thickness coating of this methane PETN DC, causes the inflammability of a methane-air mixture to be decreased. Moreover, an increase in the amount of crystalline PETN in the cord’s core caused an increase in its velocity of detonation, but had no impact on its ability to ignite a methane-air mixture in the experimental gallery.

Słowa kluczowe

EN

detonating cord; 2,2-bis[(nitrooxy)methyl]propane-1,3-diyl dinitrate; penthrite; PETN; safety; methane-air mixture; inflammability; blasting work

• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2022
• Tom: Vol. 19, no. 2
• Strony: 181--203
• Opis fizyczny: Bibliogr. 102 poz., rys., tab.

Twórcy

autor

Zawadzka-Małota Iwona

• Central Mining Institute – Research Institute, Plac Gwarków 1, 40-166 Katowice, Poland

• https://orcid.org/0000-0002-3290-0068

autor

Sałaciński Tomasz

• Łukasiewicz Research Network – Institute of Industrial Organic Chemistry, 6 Annopol Street, 03-236 Warsaw, Poland

• https://orcid.org/0000-0002-4376-4081

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